Multiple-saw woodworking machine



Dec, 23, 1930. F. w. PAT'roN MULTIPLE SAW WOODWORKING MACHINE Filed Ag. 24 ,-1.9 4416 Fna/6120i" W Pawz.

[nyenor ratentedneezs,1930i' y f y 'l 1,786,168

Umrsn Vsrnrns PATENT orirrm4 FREDERICK WILLIAM Barron, or vrcronrn, BRITISH lcotrnvrisIA,'cnllvfinny Mun'rIrLE-saw wooDwoRnING vis/IACIIINVE Y l Applicationled Augustfl, 1926. Serial No'. 131,267".`

This invention relates y to combination pulleyand6 the saw driving pulleys on each wood-working machines in which revolving sideof the fra-mel The latter drive by the multiple saws form a salient feature, the obbelts 20 intermittently and in turn the six saw ject of my invention being to increase the pulleys 7 on each sideof the machine and rapidity of production and decrease the around the ends ofthe multiple saw spindle 8. 55 manufacturing costs of certain classes of 9 are brackets carrying the extremities of the woodwork in which a group of saws side by. multiple saw spindle 8. In Fig. 2 the table 3 side can be used with good effect either for is removed to expose the parts below, 10 being continuous or automatically intermittent the countershaft driven by the spur gearing 10 work, such as grooved floor boards, plaster 1l driving` the traverse rolls 19. by the chain board, and the like. 13. The outside belt pulleys 141 drive a re- The invention is particularly applicable to volving cutter at and a saw spindle at 16. the production of plaster-board, which may The multiplesaw combination consists in this consist of inferior timber or such as is uncase of a main spindle 8 to which are secured -1-5 suitable for other purposes but becomes with flange members 17 the latter carrying the six the aid of my machine, a `first class product. bearings of the saw spindles 18, each of which i' VThis material in the shape of boards is carries in this case sinYV circular saws making a rapidly passed through the machine which total of thirty-six saws for the combination. simultaneously sizes it to requirements and It is to be noted that the main saw spindle cuts a series of staggered separate long nar- 8 receives motion from the countershaft 10 7U row apertures, of a size suitable for receivin a direction opposite that of the multiple ing the impressed plaster, and so providing saw driving pulleys 6, through a sprocket the necessary locking effect for it. wheel secured to the flange member17,land

These series of apertures are producedby the chain 13 which operates the traverse rolls gangs of parallel and inter-spaced saws which 12. Thus the traverse of the saws coincides 75 intermittently engageY the boards aS they in direction Vwith that of the work and is traverse the machine. .f opposite the peripheral direction of the saw The most important factor in my iIlVeIlteeth. The saw table carries a. substantial tion consists in the employment 0f 2b SerieS sidefence at 19 on each longitudinal side. lt

of revolvable groups of circular sawS, Sym is obvious that other schemes and types of metrically spaced around a common spindle, gearing may be emplgyed t@ gffectrthe Sam@ suitably housed within a framework carrying result without dem-acting imm the Value of a table below which the saw combination reth@ invention,

Volves. Other revolving tools engage the From the above'description it will be seen Work as it traverses the table under Suitable that work can be passed to the table operated mechanical propulsion, the whole co-acting upon in a variety of' ways according to the with the revolving Saw groupS t0 IJTOUCG disposition of the saws and tools, either convarious types of work. tinuously by the tools having a rigid axis or The invention will be better' undGrSOO- intermittently by the tools: having a movable 40 and is more clearly described by reference um v j y to the drawings herewith which form pari? Having thus fully described my invention of Vthis application, in which Fig. 1 is a Sido what I claimA as new and desire to secure by elevationof my machine, and Fig. 2 an endV Letters Patent, is; Y

view. ood-working device for In a multiple-saw w Taking the drawings in det-ail 1 is a side the production of plaster-board the 'combie5 of the framework within and around which nation comprising, a framework carrying a the machine is built, 2 is the main driving horizontal saw tablewith amain Shaft 5i-angshaft, 3 the table for receiving the work, 4 the versely below it, a double flange member serolls which engage the woodwork in its tra cured to said shaft and carrying a plurality verse across the machine, v5 the main driving of bearings whose axes. are parallel with and 100 2 1,7ee,1es

symmetrically disposed around the axis of said shaft sprockets on the periphery of one of said fianges and means for rotating said flange member by a driving chain engaging said sprockets, spindles secured to circular saws and revolvable in said bearings, belt pulleys secured to said spindles at each end thereof, a driving belt engaging simultaneously a plurality of adjacent pulleys, the said spindles being so disposed that the projected peripheries of saws on adjacent spindles intersect thereby producing an inter-spaced or brealojoint effect in the disposition of the cuts made by the said saws in the plasterboard.

FREDERICK WILLIAM PATT'ON. 

